Perform 4 rounds. 40 seconds work and 20 seconds rest of each exercise:
Jumping Jacks
Mountain Climbers
Squats
Plank Hold
Burpees
Crunches
Perform 4 rounds. 40 seconds work and 20 seconds rest of each exercise:
Jumping Jacks
Mountain Climbers
Squats
Plank Hold
Burpees
Crunches